body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    text-align: center;
    padding: 20px;
}

h1 {
    color: #333;
}

.game-container {
    display: inline-block;
    vertical-align: top;
}

.board {
    display: grid;
    grid-template-columns: repeat(3, 100px);
    grid-gap: 5px;
    margin: 20px auto;
    width: 310px;
}

.cell {
    width: 100px;
    height: 100px;
    background-color: #fff;
    border: 2px solid #333;
    font-size: 48px;
    line-height: 100px;
    text-align: center;
    cursor: pointer;
    user-select: none;
}

.info {
    margin-top: 20px;
}

#status {
    font-size: 24px;
    margin-bottom: 10px;
}

button {
    padding: 10px 20px;
    font-size: 16px;
    cursor: pointer;
}